Can you use Flowmaster Mufflers on 4 cylinder cars?

Yes, Flowmaster mufflers can be used on 4-cylinder cars. Flowmaster produces mufflers designed specifically for 4-cylinder engines, such as the Flowmaster 40 Series mufflers. These mufflers are designed to provide a deep and powerful sound while maintaining a manageable exhaust volume. However, it is important to note that the specific muffler model you choose will depend on the make, model, and year of your car, as well as your personal preferences for sound and performance.